/*
a size : 4
b size : 16

 */

#include <iostream>
using namespace std;
class A{
	public:
		int m;
};
class B{
	public:
		int m;
		virtual void foo(void){
		}
};
int main(void){
	A a;
	B b;
	cout << "a size : " << sizeof(a) << endl;
	cout << "b size : " << sizeof(b) << endl;
	return 0;
}
